Add rules_gwt and rules_groovy to the list of vetted projects
Add rules_gwt and rules_groovy to the list of vetted projects

Tested on ci-staging.bazel.io, both jobs are green.

Change-Id: I424048c0a821adca14e02d1af356b3b0a536b732

bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration